Boat fender strap



FIG. 1 shows a frontal elevational view of my boat fender strap design, the broken lines showing a portion of a boat bumper 10 are for environmental purposes only, and do not form part of my design; and,

FIG. 2 shows a rear elevational view of my boat fender strap design; the broken lines showing a portion of a boat bumper are for environmental purposes only, and do not form part of my design. 

The ornamental design for a boat fender strap, as shown and described. 